Table 1 Participant characteristics (excluding women who had an elective caesarean)
From: Risk of major labour-related complications for pregnancies progressing to 42 weeks or beyond
Characteristics | 39 completed weeks n (%) (N = 91,314) | ≥42 completed weeks n (%) (N = 4317) | p |
|---|---|---|---|
Paritya | |||
Nulliparous (0 previous births) | 41,513 (45.5) | 2543 (58.9) | <0.001 |
Multiparous (1–4 previous births) | 48,656 (53.3) | 1667 (38.6) | |
Grand-multiparous (≥5 previous births) | 1124 (1.2) | 106 (2.5) | |
Maternal agea | |||
Mean (SD) | 30.3 years (5.30) | 30.3 years (5.29) | 0.66 |
Maternal agea | |||
13–24 | 13,343 (14.6) | 633 (14.7) | 0.91 |
25–34 (baseline) | 58,139 (63.7) | 2731 (63.3) | |
35–44 | 19,648 (21.5) | 944 (21.9) | |
≥45 | 105 (0.1) | 6 (0.1) | |
Laboura | |||
Spontaneous | 46,310 (50.7) | 982 (22.8) | <0.001 |
Induced | 22,172 (24.3) | 2661 (61.6) | |
Augmented | 22,811 (25.0) | 674 (15.6) | |
Mode of birtha | |||
Unassisted vaginal birth | 64,399 (70.5) | 2328 (53.9) | <0.001 |
Assisted (instrumental) vaginal birth | 16,151 (17.7) | 846 (19.6) | |
Emergency caesarean | 10,733 (11.8) | 1142 (26.5) | |